[go: up one dir, main page]

CA2068981A1 - Reacteur deux etages pour le blanchiment d'une pulpe - Google Patents

Reacteur deux etages pour le blanchiment d'une pulpe

Info

Publication number
CA2068981A1
CA2068981A1 CA2068981A CA2068981A CA2068981A1 CA 2068981 A1 CA2068981 A1 CA 2068981A1 CA 2068981 A CA2068981 A CA 2068981A CA 2068981 A CA2068981 A CA 2068981A CA 2068981 A1 CA2068981 A1 CA 2068981A1
Authority
CA
Canada
Prior art keywords
ozone
stage
pulp
pulp particles
pulp bleaching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2068981A
Other languages
English (en)
Other versions
CA2068981C (fr
Inventor
Michael A. Pikulin
William H. Friend
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Camp Patent Holding Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24834543&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2068981(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2068981A1 publication Critical patent/CA2068981A1/fr
Application granted granted Critical
Publication of CA2068981C publication Critical patent/CA2068981C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Detergent Compositions (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Noodles (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Laminated Bodies (AREA)
  • Catalysts (AREA)
CA002068981A 1991-05-24 1992-05-19 Reacteur deux etages pour le blanchiment d'une pulpe Expired - Fee Related CA2068981C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70569191A 1991-05-24 1991-05-24
US07/705,691 1991-05-24

Publications (2)

Publication Number Publication Date
CA2068981A1 true CA2068981A1 (fr) 1992-11-25
CA2068981C CA2068981C (fr) 1996-08-27

Family

ID=24834543

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002068981A Expired - Fee Related CA2068981C (fr) 1991-05-24 1992-05-19 Reacteur deux etages pour le blanchiment d'une pulpe

Country Status (17)

Country Link
US (2) US5989388A (fr)
EP (1) EP0515303B2 (fr)
JP (1) JPH0791794B2 (fr)
KR (1) KR960003430B1 (fr)
CN (1) CN1051825C (fr)
AT (1) ATE156539T1 (fr)
AU (1) AU654854B2 (fr)
BR (1) BR9201959A (fr)
CA (1) CA2068981C (fr)
DE (1) DE69221385T2 (fr)
ES (1) ES2106848T5 (fr)
FI (1) FI922279A7 (fr)
NO (1) NO300103B1 (fr)
NZ (1) NZ242792A (fr)
RU (1) RU2114231C1 (fr)
SE (1) SE9201605L (fr)
ZA (1) ZA923757B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472572A (en) * 1990-10-26 1995-12-05 Union Camp Patent Holding, Inc. Reactor for bleaching high consistency pulp with ozone
US5181989A (en) * 1990-10-26 1993-01-26 Union Camp Patent Holdings, Inc. Reactor for bleaching high consistency pulp with ozone
US6126781A (en) * 1991-08-01 2000-10-03 Union Camp Patent Holding, Inc. Process for conditioning ozone gas recycle stream in ozone pulp bleaching
US5810973A (en) * 1993-09-21 1998-09-22 Beloit Technologies, Inc. Apparatus for producing small particles from high consistency wood pulp
WO1996002697A1 (fr) * 1994-07-14 1996-02-01 Union Camp Patent Holding, Inc. Blanchiment ameliore d'une pate lignocellulosique tres concentree
EP0840820B1 (fr) * 1995-07-26 1999-04-28 Beloit Technologies, Inc. Procede et equipement de blanchiment de pate a papier au moyen d'un reactif de blanchiment gazeux
US5944952A (en) * 1995-07-26 1999-08-31 Beloit Technologies, Inc. Method for bleaching high consistency pulp with a gaseous bleaching reagent
US5733412A (en) * 1995-09-13 1998-03-31 International Paper Company Decolorizing brown fibers in recycled pulp
US6077396A (en) * 1997-05-16 2000-06-20 Lariviere; Christopher J. Apparatus for fluffing and contacting high consistancy wood pulp with a gaseous bleaching reagent
SE522593C2 (sv) * 1999-07-06 2004-02-24 Kvaerner Pulping Tech System och förfarande för syragasdelignifiering av massa av lignocellulosahaltigt material
KR20030046621A (ko) * 2001-12-16 2003-06-18 한국전자통신연구원 계층화 구조의 프로토콜 스택을 사용하는 스마트 카드와휴대 단말기의 통신 환경 설정 방법
US20030165411A1 (en) * 2002-01-23 2003-09-04 Rolf Engelhard Compact ozone generator
RU2228564C2 (ru) * 2002-04-01 2004-05-10 Марийский государственный технический университет Печатная рамочная антенна
CA2383279A1 (fr) * 2002-05-06 2003-11-06 Sylvain Cloutier Reacteur
US20040200589A1 (en) * 2003-04-08 2004-10-14 Herring William J. Method of making pulp having high hemicellulose content
US20040200587A1 (en) * 2003-04-08 2004-10-14 Herring William J. Cellulose pulp having increased hemicellulose content
US20050115690A1 (en) * 2003-11-25 2005-06-02 Casella Waste Systems, Inc. Methods for producing recycled pulp from waste paper
RU2265479C2 (ru) * 2004-01-15 2005-12-10 Государственное образовательное учреждение высшего профессионального образования "Алтайский государственный технический университет им. И.И. Ползунова" (АлтГТУ) Реактор-смеситель для проведения процесса карбоксиметилирования щелочной целлюлозы
JP2008512102A (ja) * 2004-09-10 2008-04-24 アイオゲン エナジー コーポレイション 前処理された原料を生産する方法
US7541396B2 (en) * 2004-12-29 2009-06-02 Weyerhaeuser Nr Company Method for making carboxyalkyl cellulose
US7837951B2 (en) * 2005-01-05 2010-11-23 Gsg Holdings, Inc. Modular ozone generator with an air diffuser
KR20110067992A (ko) * 2009-12-15 2011-06-22 삼성전자주식회사 내부발열을 이용한 바이오매스의 전처리 방법 및 전처리 장치
CN107489052B (zh) * 2017-08-30 2022-10-21 昆明理工大学 一种臭氧漂白装置

Family Cites Families (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1642978A (en) * 1924-12-06 1927-09-20 Thorne Carl Busch Process for bleaching and like purposes
US1591070A (en) * 1925-02-27 1926-07-06 Robert B Wolf Bleaching apparatus
US1643566A (en) * 1925-10-16 1927-09-27 Thorne Carl Busch Process for bleaching and the like purposes
US1818913A (en) * 1928-04-12 1931-08-11 Chemipulp Process Inc Method and apparatus for the chemical treatment of pulp
US1957937A (en) * 1930-10-10 1934-05-08 Int Paper Co Process of bleaching fibrous cellulose material
US2013115A (en) * 1931-09-21 1935-09-03 Thorne Carl Busch Process and apparatus for the refining of pulp
US2431478A (en) * 1942-07-25 1947-11-25 Raymond P Hill Bleaching fibrous material
US2466633A (en) * 1948-05-26 1949-04-05 James M Daily Method of bleaching cellulosic pulp
US3318657A (en) * 1963-09-23 1967-05-09 Metal Hydrides Inc Method of bleaching cellulose fibres
FR1441787A (fr) * 1965-04-30 1966-06-10 Progil Procédé de blanchiment des pâtes à papier
SE333095B (fr) * 1967-04-21 1971-03-01 Calor & Sjoegren Ab
US3703435A (en) * 1967-11-09 1972-11-21 Sunds Ab Method for finely disintegrating pulp,preferentially cellulose pulp,in connection with the bleaching thereof with gaseous bleaching agent
US3630828A (en) * 1968-05-13 1971-12-28 Pulp Paper Res Inst Bleaching of a low-density, substantially uncompacted, porous fluffed cellulosic pulp
OA03094A (fr) * 1968-07-11 1970-12-15 P P I South African Pulp And P Perfectionnements à la délignification et au blanchiment des pâtes de cellulose avec l'oxygène gazeux.
CA902859A (en) * 1969-11-26 1972-06-20 Pulp And Paper Research Institute Of Canada Chemical reaction between a solid and a gas
CA902861A (en) * 1969-11-27 1972-06-20 Pulp And Paper Research Institute Of Canada Bleaching of cellulosic pulp
CA970111A (en) * 1970-12-21 1975-07-01 Rudra P. Singh Preparation of wood pulp
CA966604A (en) * 1970-12-21 1975-04-29 Scott Paper Company Kraft pulp bleaching and recovery process
US4196043A (en) * 1970-12-21 1980-04-01 Scott Paper Company Kraft pulp bleaching and recovery process
US3785577A (en) * 1972-07-18 1974-01-15 Improved Machinery Inc Apparatus for the gaseous reaction of material
US3814664A (en) * 1972-09-11 1974-06-04 Improved Machinery Inc Gaseous reaction apparatus including a peripheral gas receiving chamber
US4105494A (en) * 1973-01-05 1978-08-08 Sunds Aktiebolag Process of gas-phase bleaching high consistency finely disintegrated pulp
US3832276A (en) * 1973-03-07 1974-08-27 Int Paper Co Delignification and bleaching of a cellulose pulp slurry with oxygen
US3964962A (en) * 1974-02-25 1976-06-22 Ingersoll-Rand Company Gaseous reaction apparatus and processes including a peripheral gas receiving chamber and a gas recirculation conduit
SE394466C (sv) * 1974-05-16 1986-06-23 Mannbro Systems Handelsbolag Sett vid kontinuerlig alkalisk delignifiering av lignocellulosamaterial i tva eller flera steg, varav det sista med syrgas
US4046621A (en) * 1974-12-17 1977-09-06 The Ontario Paper Company Limited Process for treating a slurry of cellulosic material
SE389351B (sv) * 1975-03-14 1976-11-01 Kamyr Ab Sett och anordning for fordelning och inblandning av gas och/eller vetska i massasuspensioner av hog koncentration.
US4119486A (en) * 1975-08-14 1978-10-10 Westvaco Corporation Process for bleaching wood pulp with ozone in the presence of a cationic surfactant
NO137651C (no) * 1975-10-31 1978-03-29 Myrens Verksted As Fremgangsmaate og apparat til kontinuerlig behandling av findelt fibermateriale eller celluloseholdig masse med gass uten overtrykk.
US4226673A (en) * 1976-03-15 1980-10-07 Champion International Corporation Color removal from paper and pulp mill aqueous effluents
US4080249A (en) * 1976-06-02 1978-03-21 International Paper Company Delignification and bleaching of a lignocellulosic pulp slurry with ozone
FI67413C (fi) * 1977-04-27 1985-03-11 Myrens Verksted As Foerfarande foer behandling av finfoerdelad fiberhaltig eller cellulosahaltig massa samt anordning foer utfoerande av foerfarandet
JPS5430902A (en) * 1977-06-27 1979-03-07 Seisan Kaihatsu Kagaku Kenkyus Industrial multistage pulp bleaching method
US4216054A (en) * 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
NO142091C (no) * 1977-10-17 1980-06-25 Myrens Verksted As Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse.
NO144711C (no) * 1978-04-04 1981-10-21 Myrens Verksted As Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
CA1112813A (fr) * 1978-04-06 1981-11-24 Arthur W. Kempf Separation des matieres fibreuses traitees a l'ozone
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
CA1132760A (fr) * 1978-04-07 1982-10-05 Richard B. Phillips Methode de blanchiment sans chlore de la pate de cellulose
CS210414B1 (en) * 1978-09-28 1982-01-29 Ladislav Zilka Shovel conveyer built in the continuous cylindrical boiling tank
US4229252A (en) * 1979-01-11 1980-10-21 Weyerhaeuser Company Additives for ozone bleaching
US4295925A (en) * 1979-06-15 1981-10-20 Weyerhaeuser Company Treating pulp with oxygen
US4298426A (en) * 1979-06-15 1981-11-03 Weyerhaeuser Company Method and apparatus for treating pulp with oxygen in a multi-stage bleaching sequence
US4363697A (en) * 1979-12-03 1982-12-14 The Black Clawson Company Method for medium consistency oxygen delignification of pulp
US4283251A (en) * 1980-01-24 1981-08-11 Scott Paper Company Ozone effluent bleaching
FR2474550A1 (fr) * 1980-01-24 1981-07-31 Scott Paper Co Procede de blanchiment de pate cellulosique
CA1154205A (fr) * 1980-04-15 1983-09-27 Madhu P. Godsay Amelioration de la blancheur de la pate a papier blanchie a l'ozone
US4444621A (en) * 1980-11-21 1984-04-24 Mo Och Domsjo Aktiebolag Process and apparatus for the deresination and brightness improvement of cellulose pulp
ZA821923B (en) * 1981-04-06 1983-02-23 Black Clawson Co Method and apparatus for oxygen delignification
US4384920A (en) * 1981-04-06 1983-05-24 The Black Clawson Company Method and apparatus for oxygen delignification
CA1181204A (fr) * 1981-06-17 1985-01-22 Russell W. Hoag Methode et dispositif de traitement de la pate a papier avec de l'ozone
US4468286A (en) * 1982-03-09 1984-08-28 Myrens Verksted A/S Method of gas treatment of fluffed pulp
US4426256A (en) * 1982-03-09 1984-01-17 Myrens Verksted A/S Apparatus for treating fibrous material with a gas
WO1984000181A1 (fr) * 1982-06-24 1984-01-19 Scott Paper Co Decoloration a l'ozone de materiaux cellulosiques
ZA835925B (en) * 1982-09-30 1984-04-25 Black Clawson Co Method and apparatus for oxygen delignification
AU1730083A (en) * 1982-09-30 1984-04-05 Black Clawson Company, The Oxygen treatment of low connistancy pulp
GB2144458A (en) * 1983-06-25 1985-03-06 Berstorff Gmbh Masch Hermann Apparatus and method for producing wood pulp
US4619733A (en) * 1983-11-30 1986-10-28 Kooi Boon Lam Pollution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor
US4640782A (en) * 1985-03-13 1987-02-03 Ozo-Tek, Inc. Method and apparatus for the generation and utilization of ozone and singlet oxygen
FR2585385B1 (fr) * 1985-07-26 1987-10-30 Lamort E & M Procede et appareillage de preparation et triage primaire de pate a papier
FR2609067B1 (fr) * 1986-12-31 1990-06-15 Beghin Say Sa Procede pour le traitement a l'ozone d'une pate cellulosique
AT388193B (de) * 1987-06-12 1989-05-10 Andritz Ag Maschf Mischer
FR2620744A1 (fr) * 1987-09-17 1989-03-24 Degremont Procede de traitement par l'ozone de materiaux ligno-cellulosiques, notamment de pates a papier et reacteur pour la mise en oeuvre de ce procede
US4959124A (en) * 1989-05-05 1990-09-25 International Paper Company Method of bleaching kraft pulp in a DZED sequence
FI89516B (fi) * 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson
AT394737B (de) * 1989-07-03 1992-06-10 Andritz Ag Maschf Verfahren und vorrichtung zur behandlung, insbesondere waesche, von faserstoff-fluessigkeit- mischungen
AT395180B (de) * 1989-08-16 1992-10-12 Andritz Ag Maschf Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung
AU636173B2 (en) * 1989-10-30 1993-04-22 Lenzing Aktiengesellschaft Method for the chlorine-free bleaching of pulps
RU2102547C1 (ru) † 1990-05-17 1998-01-20 Юнион Кемп Корпорейшн Способ получения отбеленной целлюлозной массы и способ делигнификации и отбелки лигноцеллюлозного материала (варианты)
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5174861A (en) * 1990-10-26 1992-12-29 Union Camp Patent Holdings, Inc. Method of bleaching high consistency pulp with ozone
EP0492039A1 (fr) * 1990-12-27 1992-07-01 Kamyr, Inc. Réacteur pneumatique pour le blanchiment à l'ozone de pâte à papier
CA2046717A1 (fr) * 1991-02-06 1992-08-07 Beloit Technologies, Inc. Methode de traitement de matieres fibreuses au moyen d'un reactif gazeux et appareil connexe

Also Published As

Publication number Publication date
CN1051825C (zh) 2000-04-26
FI922279A0 (fi) 1992-05-19
NO921999L (no) 1992-11-25
ES2106848T5 (es) 2001-09-01
DE69221385D1 (de) 1997-09-11
CN1070971A (zh) 1993-04-14
NZ242792A (en) 1993-12-23
ZA923757B (en) 1993-01-27
DE69221385T2 (de) 1997-12-11
ATE156539T1 (de) 1997-08-15
NO921999D0 (no) 1992-05-21
SE9201605L (sv) 1992-11-25
CA2068981C (fr) 1996-08-27
SE9201605D0 (sv) 1992-05-21
AU1700092A (en) 1992-12-03
EP0515303A1 (fr) 1992-11-25
US5451296A (en) 1995-09-19
US5989388A (en) 1999-11-23
KR920021806A (ko) 1992-12-18
FI922279L (fi) 1992-11-25
NO300103B1 (no) 1997-04-07
FI922279A7 (fi) 1992-11-25
JPH05263386A (ja) 1993-10-12
RU2114231C1 (ru) 1998-06-27
JPH0791794B2 (ja) 1995-10-04
BR9201959A (pt) 1993-01-12
ES2106848T3 (es) 1997-11-16
EP0515303B1 (fr) 1997-08-06
AU654854B2 (en) 1994-11-24
EP0515303B2 (fr) 2001-07-04
KR960003430B1 (ko) 1996-03-13

Similar Documents

Publication Publication Date Title
CA2068981A1 (fr) Reacteur deux etages pour le blanchiment d'une pulpe
AU566529B2 (en) Mixed alcohols from hydrogen and carbon monoxide
EP0511677A3 (en) Improved gas-liquid mixing process and apparatus
CA2126826A1 (fr) Appareil de melange et de verification d'homogeneite en direct
CA2102899A1 (fr) Blanchiment a l'ozone
AU1733492A (en) Process and apparatus for conditioning ozone gas recycle stream in ozone pulp bleaching
MY108789A (en) A process for the direct reduction of particulate iron-oxide- containing material.
CA2148449A1 (fr) Procede catalytique
CA2093581A1 (fr) Procede d'agglomeration des particules de bois permettant de faconner des formes diverses
CA2109591A1 (fr) Methode d'amorcage pour la production de gaz de synthese
DE3565635D1 (en) Media mixing nozzle assembly and a process using said assembly
ES8701828A1 (es) Metodo de tratamiento de gases en seco para su purificacion y fines similares
GB8810280D0 (en) Ozone decomposing material & ozone decomposing apparatus
GR79060B (fr)
SE9302010L (sv) Ozonblekning
TH39340A (th) วิธีการขจัดลิกนินด้วยออกซิเจนซึ่งรวมเข้าด้วยกันกับเครื่องสำเร็จการผสมเยื่อกระดาษไม้
AU591508B2 (en) Process for the delignification of cellulosic substances
ES551375A1 (es) Procedimiento de obtencion de un producto comprimido para aplicacion oftalmologica local.
CA2150385A1 (fr) Methode et appareil servant au blanchiment de la pate
JPS51151739A (en) Method for mixing polymer and additives
DE3560786D1 (en) Palladium-iron mixed clusters used as catalyst and method for their production
AU591509B2 (en) Process for the delignification of cellulosic substances
Roberts Solubility of carbon dioxide and hydrogen sulphide in mixed and chemical solvents
GB2192559B (en) Apparatus and process for mixing and agitating carbon black
CA2341490A1 (fr) Blanchiment a l'ozone de pate a papier de consistance moyenne sans melange sous cisaillement eleve

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20030520